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Service bulletins for the 2026 Ram 5500

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

182 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
25-004-26 REV. A2026-09-30. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Exhaust Gas Temperature (EGT) Sensor Water Intrusion ’s VIN MUST be listed in VIP or your RSU VIN list. NOTE: This bulletin applies to ● The Vehicle MUST be built on or before February 16, 2026 (MDH North America, Enlarged 0216XX). Europe, Middle East & ● The vehicle MUST be equipped with a 6.7L I6 Cummins Turbo Africa, and India & Asia Diesel Engine (Sales Codes ETM or ETN). Pacific markets. CUSTOMER Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● P2482-00 - Exhaust Gas Temperature Sensor Circuit High - Bank 1 Sensor 5. Customers may also comment on the following: ● Soot load is too high and power derate occurs due to regen being disabled. This bulletin involves replacing the EGT sensors.
91009222026-09-23. Service bulletin. ENGINE; ELECTRICAL SYSTEM. SENSOR Exhaust Temperature If this sensor is being replaced due to an early-life P242B pending fault code, clear the fault code and perform the Powertrain Verification Test. Only replace the sensor if P242B returns as an active fault code.
25-004-262026-09-17. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Exhaust Gas Temperature (EGT) Sensor Water Intrusion CUSTOMER Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● P2482-00 - Exhaust Gas Temperature Sensor Circuit High - Bank 1 Sensor 5. Customers may also comment on the following: ● Soot load is too high and power derate occurs due to regen being disabled. This bulletin involves replacing the EGT sensors.
07-006-26 REV. A2026-09-10. Service bulletin. ENGINE. Engine Overheat Customers may comment on the following: SYMPTOM: ● Vehicle overheating. ● Temperature gauge is reading hot. ● Overheat symbol is illuminated in Instrument Panel Cluster (IPC). This bulletin involves inspecting the thermostat housing part number and, if necessary, replacing the thermostat.
1142542026-09-03. Service bulletin. ENGINE. RADIATOR - ENGINE COOLING
1142552026-09-03. Service bulletin. ENGINE. RADIATOR - ENGINE COOLING
91008822026-08-26. Service bulletin. ENGINE. PULLEY Fan If replacing 68209745AA, also replace 68723388AA, 05086958AB, and 68000833AD. Retain bolts, mark each with its original location, and submit a STAR ticket for parts return. Bolt P/Ns: 68005469AA, 03928873, 68445520AA, 04886003AA.
07-006-262026-08-26. Service bulletin. ENGINE. Engine Overheat Customers may comment on the following: ● Vehicle overheating. ● Temperature gauge is reading hot. ● Overheat symbol is illuminated in Instrument Panel Cluster (IPC). This bulletin involves inspecting the thermostat housing part number and, if necessary, replacing the thermostat.
1137542026-08-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE. SENSOR - EXHAUST TEMPERATURE
1137442026-08-06. Service bulletin. ENGINE; ELECTRICAL SYSTEM. SENSOR - TURBOCHARGER SPEED
1137422026-08-06. Service bulletin. ENGINE; ELECTRICAL SYSTEM. SENSOR - TURBOCHARGER SPEED
1132952026-07-18. Service bulletin. ENGINE. VALVE KIT – EGR and VALVE - EGR BYPASS
37D Combo2026-07-02. Warranty extension. ELECTRICAL SYSTEM; ENGINE. Emissions Recall 37D - NOx Sensor - Dealer Notification
1129062026-07-02. Service bulletin. ENGINE. BEARING - CRANKSHAFT THRUST and KIT
1129062026-07-02. Service bulletin. ENGINE. BEARING - CRANKSHAFT THRUST and KIT
1114782026-05-28. Service bulletin. ENGINE. RADIATOR - ENGINE COOLING
S2514000002 REV.A2026-04-10. Service bulletin. ENGINE; FUEL/PROPULSION SYSTEM. P2540 Diagnostic Trouble Code (DTC) and Longer Than Expected, Extended Crank Time After Fuel Level Run Too Low or After Fuel Filter/System Servicing
S26090000052026-04-01. Service bulletin. POWER TRAIN; ENGINE. Check Engine Light (CEL) Illuminated Diagnostic Trouble Code (DTC) P0381-00 Wait to Start Lamp Inoperative
S2621000002 REV.A2026-03-25. Service bulletin. ENGINE. The customer concern is Service Transmission, preventing the engine from shutting off. NOTE: The transmission will be in Park and able to hold the vehicle, but the cluster display would indicate Neutral, preventing the engine from shutting off.
18-044-262026-03-25. Service bulletin. ENGINE. Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P0111-00 - Intake Air Temperature Sensor 1 Circuit Range Performance Bank 1. (In Active or Stored status) ● P0071-00 - Ambient Air Temperature Sensor Performance. (In Active or Stored status) ● P0072-00 - Ambient Air Temperature Sensor Circuit "A" Low. (In Active or Stored status) ● P0073-00 - Ambient Air Temperature Sensor Circuit "A" High. (In Active or Stored status) ● P0011-00 - Bank 1 Camshaft 1 Position Timing Over Advanced Or. (In Active or Stored status) ● P25E4-00 - B Camshaft Position - Unable To Achieve Locked Position Bank 1. (In Active or Stored status) ● P05BD-00 - Stop-Start Mode Switch Range/Performance. (In Active or Stored status) ● P0116-00 - Engine Coolant Temperature Sensor 1 Performance. (In Active or Stored status) ● P062B-00 - Internal Control Module Fuel Injector Control Performance. (In Active or Stored status) ● P0604-00 - Internal Control Module Random Access Memory Ram Error. (In Active or Stored status) ● P060C-00 - Internal Control Module Main Processor Performance. (In Active or Stored status)** ● P018B-00 - Fuel Pressure Sensor "B" Circuit Range/performance. **(In Active or Stored status)** ● P1CEA-00 - Boost Side EVAP Purge System Performance. **(In Active or Stored status)** ● P06DD-00 - Engine Oil Pressure Control Circuit Performance/Stuck Off. **(In Active or Stored status)** ● P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking. **(In Active or Stored status)** ● P0300-00 - Multiple Cylinder Misfire. **(In Active or Stored status)** Customers may also experience one or more of the following: ● **Oil Level High Warning in the Instrument Panel Cluster (IPC).** ● Fully Autonomous Parking Assist (FAPA) is not deactivated when accelerator pedal is pressed. ● Vehicle is not heating up fast enough at freezi
18-002-26REVA2026-03-18. Service bulletin. ENGINE. Technical Service Bulletin (TSB) Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle exhibit/set **one or more of the following Diagnostic Trouble Codes (DTCs)**: ● **P219A - Bank 1 Air-Fuel Ratio Imbalance. ● P219B - Bank 2 Air-fuel Ratio Imbalance.** ● P032F - Combustion Engine Producing Insufficient Torque. Customers may experience one or more of the following: ● **Engine speed surging, unstable, hunting, or oscillating while coasting at low vehicle speeds. ● Stationary Idle Power Take off (PTO) feature is not activating when the user configuration is selected to require parking brake be set (DD/DP Only). ● PTO not auto-resuming after hard-wired remote start (DD/DP Only).** ● Driveline clunk or bump when coasting to a stop **in cruise control mode.** ● Engine idle undershoot or delayed response with power steering input. **In addition, the following software enhancement(s) is available: ● Increase the duration that PTO related messages are displayed on the Instrument Panel Cluster (IPC) (DD/DP Only).** This bulletin involves reprogramming the PCM with the latest available software.
18-012-26 REV.A2026-02-12. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0072-00 - Ambient Air Temperature Sensor Circuit "A" Low. ● P0087-00 - Fuel Rail Pressure Too Low. ● P2540-00 - Low Pressure Fuel System Sensor Circuit Range/Performance. ● P2543-00 - Low Pressure Fuel System Sensor Circuit Intermittent. ● P20EE-00 - SCR Nox Catalyst Efficiency Below Threshold - Bank 1 Catalyst 1. ● P203F-00 - Reductant Level Too Low. ● P2698-00 - Exhaust Aftertreatment Fuel Injector "A" Performance. ● P06B9-00 - Cylinder 1 Glow Plug Circuit Performance. ● P06BA-00 - Cylinder 2 Glow Plug Circuit Performance. ● P06BB-00 - Cylinder 3 Glow Plug Circuit Performance. ● P06BC-00 - Cylinder 4 Glow Plug Circuit Performance. ● P06BD-00 - Cylinder 5 Glow Plug Circuit Performance. ● P06BE-00 - Cylinder 6 Glow Plug Circuit Performance. Customers may also comment on one or more of the following: ● Diesel Exhaust Fluid (DEF) level gauge inaccuracy. ● Poor cold start performance. ● Unable to initiate manual Diesel Particulate Filter (DPF) regen through Electronic Vehicle Information Center (EVIC). ● While using the remote Power Take-Off (PTO) feature, the PTO may not engage or resume operation properly, after disengaging: 1. Engine is running with PTO engaged. 2. Operator is using the equipment, for example a bucket attachment. 3. Operator gets in position, then uses remote start/stop button to turn truck off while they perform a task. 4. The task is completed, then operator is ready to move the bucket so they use remote start/stop to start the engine. 5. The engine starts but PTO does not automatically re-engage so the equipment doesn’t operate. This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.
S26070000022026-02-12. Service bulletin. ENGINE. Hemi Water Pump Coolant Leak Inspection
S2508000096 REV.A2025-12-03. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Vehicle Ignition Status Will Change From “RUN” to “OFF” After a Specific Number of Minutes Following The Use of The Wired Remote Start Stop (WRSS)
09-029-252025-10-29. Service bulletin. ENGINE. Cummins Valvetrain Noise Diagnostics Customers may comment on one or more of the following: ● Ticking noise. ● Clicking noise. ● Engine noise.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.